CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 88,779 | $651 | — | — |
| Q4 2016 | 3,722 | $32 | — | — |
| Q3 2016 | 32,246 | $326 | — | — |
| Q2 2016 | 46,163 | $438 | — | — |
| Q1 2015 | 52,418 | $673 | — | — |
| Q4 2014 | 56,257 | $779 | — | — |
| Q3 2014 | 12,248 | $162 | — | — |
| Q3 2013 | 76,320 | $785 | — | — |